Air pollution may increase the severity of covid: Study – study of severity of covid may increase due to air pollution

Los Angeles, Sep 29 (PTI) Exposure to various air-polluting substances increases the risk of hospitalization of COVID-19 patients by up

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Corona insacog says hospitalization rate disease severity has not increased due to ba 2 38 mh pr

New Delhi, July 10: Corona even after three years around the country and the world (Corona update) Fear persists. Over

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